**Exhibit 31.2** **CERTIFICATION    PURSUANT TO****RULE 13a-14    OR 15d-14 OF THE SECURITIES EXCHANGE ACT OF 1934,****AS ADOPTED PURSUANT TO****SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002**     I, L. Geoffrey Barlow, certify that:      1.     I have reviewed this annual report on    Form 40-F    of Husky Energy Inc.;      2.     Based on my knowledge, this report does not contain any untrue    statement of a material fact or omit to state a material fact    necessary to make the statements made, in light of the    circumstances under which such statements were made, not    misleading with respect to the period covered by this report;      3.     Based on my knowledge, the financial statements, and other    financial information included in this report, fairly present in    all material respects the financial condition, results of    operations and cash flows of the issuer as of, and for, the    periods presented in this report;      4.     The issuer’s other certifying officer and I are responsible    for establishing and maintaining disclosure controls and    procedures (as defined in Exchange Act    Rules 13a-15(e)    and 15d-15(e)) and internal control over financial reporting (as    defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for    the issuer and have:      (a)     Designed such disclosure controls and procedures, or caused such    disclosure controls and procedures to be designed under my    supervision, to ensure that material information relating to the    issuer, including its consolidated subsidiaries, is made known    to us by others within those entities, particularly during the    period in which this annual report is being prepared;      (b)     Designed such internal control over financial reporting, or    caused such internal control over financial reporting to be    designed under our supervision, to provide reasonable assurance    regarding the reliability of financial reporting and the    preparation of financial statements for external purposes in    accordance with generally accepted accounting principles;      (c)     Evaluated the effectiveness of the issuer’s disclosure    controls and procedures and presented in this report our    conclusions about the effectiveness of the disclosure controls    and procedures, as of the end of the period covered by this    report based on such evaluation; and      (d)     Disclosed in this report any change in the issuer’s    internal control over financial reporting that occurred during    the period covered by the annual report that has materially    affected, or is reasonably likely to materially affect, the    issuer’s internal control over financial reporting; and      5.     The issuer’s other certifying officer and I have disclosed,    based on our most recent evaluation of internal control over    financial reporting, to the issuer’s auditors and the audit    committee of the issuer’s board of directors (or persons    performing the equivalent functions):      (a)     All significant deficiencies and material weaknesses in the    design or operation of internal control over financial reporting    which are reasonably likely to adversely affect the    issuer’s ability to record, process, summarize and report    financial information; and      (b)     Any fraud, whether or not material, that involves management or    other employees who have a significant role in the issuer’s    internal control over financial reporting.     Date: March 13, 2007     /s/ L. Geoffrey Barlow    L. Geoffrey Barlow    Vice President & Chief Financial Officer